openwrt/target/linux/bcm53xx/patches-3.10/122-bcma-add-arm-support.patch

bcma: add arm support


Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
 drivers/bcma/Kconfig                 |    9 +++++
 drivers/bcma/Makefile                |    1 +
 drivers/bcma/driver_arm.c            |   61 ++++++++++++++++++++++++++++++++++
 drivers/bcma/main.c                  |    7 ++++
 include/linux/bcma/bcma.h            |    2 ++
 include/linux/bcma/bcma_driver_arm.h |   20 +++++++++++
 6 files changed, 100 insertions(+)
 create mode 100644 drivers/bcma/driver_arm.c
 create mode 100644 include/linux/bcma/bcma_driver_arm.h

--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -54,6 +54,15 @@ config BCMA_DRIVER_MIPS
 
 	  If unsure, say N
 
+config BCMA_DRIVER_ARM
+	bool "BCMA Broadcom ARM core driver"
+	depends on BCMA && ARM
+	help
+	  Driver for the Broadcom MIPS core attached to Broadcom specific
+	  Advanced Microcontroller Bus.
+
+	  If unsure, say N
+
 config BCMA_SFLASH
 	bool
 	depends on BCMA_DRIVER_MIPS
--- a/drivers/bcma/Makefile
+++ b/drivers/bcma/Makefile
@@ -5,6 +5,7 @@ bcma-$(CONFIG_BCMA_NFLASH)		+= driver_ch
 bcma-y					+= driver_pci.o
 bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE)	+= driver_pci_host.o
 bcma-$(CONFIG_BCMA_DRIVER_MIPS)		+= driver_mips.o
+bcma-$(CONFIG_BCMA_DRIVER_ARM)		+= driver_arm.o
 bcma-$(CONFIG_BCMA_DRIVER_GMAC_CMN)	+= driver_gmac_cmn.o
 bcma-$(CONFIG_BCMA_DRIVER_GPIO)		+= driver_gpio.o
 bcma-$(CONFIG_BCMA_HOST_PCI)		+= host_pci.o
--- /dev/null
+++ b/drivers/bcma/driver_arm.c
@@ -0,0 +1,53 @@
+/*
+ * Broadcom specific AMBA
+ * Broadcom MIPS32 74K core driver
+ *
+ * Copyright 2009, Broadcom Corporation
+ * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
+ * Copyright 2010, Bernhard Loos <bernhardloos@googlemail.com>
+ * Copyright 2011, Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+
+#include <linux/bcma/bcma.h>
+
+static void bcma_core_mips_set_irq_name(struct bcma_bus *bus, unsigned int irq,
+					u16 coreid, u8 unit)
+{
+	struct bcma_device *core;
+
+	core = bcma_find_core_unit(bus, coreid, unit);
+	if (!core) {
+		bcma_warn(bus,
+			  "Can not find core (id: 0x%x, unit %i) for IRQ configuration.\n",
+			  coreid, unit);
+		return;
+	}
+	core->irq = irq;
+}
+
+void bcma_core_arm_init(struct bcma_drv_arm *acore)
+{
+	struct bcma_bus *bus;
+	struct bcma_device *core;
+	bus = acore->core->bus;
+
+	if (acore->setup_done)
+		return;
+
+	bcma_core_mips_set_irq_name(bus, 111, BCMA_CORE_USB20, 0);
+	
+	bcma_core_mips_set_irq_name(bus, 179, BCMA_CORE_MAC_GBIT, 0);
+	bcma_core_mips_set_irq_name(bus, 180, BCMA_CORE_MAC_GBIT, 1);
+	bcma_core_mips_set_irq_name(bus, 181, BCMA_CORE_MAC_GBIT, 2);
+	bcma_core_mips_set_irq_name(bus, 182, BCMA_CORE_MAC_GBIT, 3);
+	
+	bcma_core_mips_set_irq_name(bus, 112, BCMA_CORE_USB30, 0);
+	bcma_debug(bus, "IRQ reconfiguration done\n");
+
+
+	acore->setup_done = true;
+}
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -269,6 +269,13 @@ int bcma_bus_register(struct bcma_bus *b
 		bcma_core_mips_init(&bus->drv_mips);
 	}
 
+	/* Init ARM core */
+	core = bcma_find_core(bus, BCMA_CORE_ARMCA9);
+	if (core) {
+		bus->drv_arm.core = core;
+		bcma_core_arm_init(&bus->drv_arm);
+	}
+
 	/* Init PCIE core */
 	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0);
 	if (core) {
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
@@ -7,6 +7,7 @@
 #include <linux/bcma/bcma_driver_chipcommon.h>
 #include <linux/bcma/bcma_driver_pci.h>
 #include <linux/bcma/bcma_driver_mips.h>
+#include <linux/bcma/bcma_driver_arm.h>
 #include <linux/bcma/bcma_driver_gmac_cmn.h>
 #include <linux/ssb/ssb.h> /* SPROM sharing */
 
@@ -334,6 +335,7 @@ struct bcma_bus {
 	struct bcma_drv_cc drv_cc;
 	struct bcma_drv_pci drv_pci[2];
 	struct bcma_drv_mips drv_mips;
+	struct bcma_drv_arm drv_arm;
 	struct bcma_drv_gmac_cmn drv_gmac_cmn;
 
 	/* We decided to share SPROM struct with SSB as long as we do not need
--- /dev/null
+++ b/include/linux/bcma/bcma_driver_arm.h
@@ -0,0 +1,20 @@
+#ifndef LINUX_BCMA_DRIVER_ARM_H_
+#define LINUX_BCMA_DRIVER_ARM_H_
+
+struct bcma_device;
+
+struct bcma_drv_arm {
+	struct bcma_device *core;
+	u8 setup_done:1;
+	u8 early_setup_done:1;
+};
+
+#ifdef CONFIG_BCMA_DRIVER_ARM
+extern void bcma_core_arm_init(struct bcma_drv_arm *acore);
+
+#else
+static inline void bcma_core_arm_init(struct bcma_drv_arm *acore) { }
+
+#endif
+
+#endif /* LINUX_BCMA_DRIVER_ARM_H_ */